JP2022157840A - Tank-telescopic oral cavity washing device - Google Patents

Abstract

To provide a tank-telescopic oral cavity washing device capable of suppressing breakage of a hinge holding a liquid supply lid.SOLUTION: In a tank-telescopic oral cavity washing device 1 that comprises a device body in which a pump is housed and a tank 3 including a storage unit and slidably supporting the device body to allow the device body to be accommodated in the tank, a feed hole 93 is formed in the tank 3 for injecting liquid into the storage unit; the feed hole is closed by a liquid supply lid 95, which is openable and closable on the tank 3 via hinge 101; and with the liquid supply lid 95 open, an end of the liquid supply lid 95 is positioned within the side of the tank 3, in front view.SELECTED DRAWING: Figure 17

Description

FIELD OF THE DISCLOSURE The present disclosure relates to a tank telescoping oral rinse device.

Conventionally, as a telescopic tank oral cleaning device, there is known one that has a device body with a built-in pump and a tank that has a reservoir for storing liquid and supports the device body in a slidable manner ( See Patent Document 1). The tank is formed with a liquid supply hole for injecting liquid into the reservoir, and a liquid supply cover is provided via a hinge to openably close the liquid supply hole.

JP 2011-200424 A

By the way, in the telescopic tank type oral cavity cleaning device as disclosed in Patent Document 1, when the liquid supply lid is open, the end portion of the liquid supply lid protrudes from the side surface of the tank. Therefore, if the tank is dropped while the lid is open, the edge of the lid protruding from the side of the tank collides with surrounding members, and the hinge that holds the lid is damaged. there was a possibility of it.

The present disclosure has been made in view of such problems of the prior art. An object of the present disclosure is to provide an extendable tank mouthwash device capable of suppressing breakage of a hinge that holds a liquid supply lid.

A tank extendable oral cavity cleaning device according to an aspect of the present disclosure includes a device body with a built-in pump, and a tank that has a reservoir and can slidably support the device body and be accommodated in the reservoir. wherein the tank is formed with a liquid supply hole for injecting liquid into the reservoir, and the liquid supply hole is closed by a liquid supply cover provided on the tank via a hinge so as to be openable and closable, The end portion of the liquid supply lid is arranged within the range of the side surface of the tank in a front view with the liquid supply lid opened.

Advantageous Effects of Invention According to the present disclosure, it is possible to provide an extendable tank mouthwash device capable of suppressing breakage of a hinge that holds a liquid supply lid.

1 is a schematic diagram of a tank extendable mouthwash device according to the present embodiment; FIG. Fig. 2 is a perspective view of the retractable tank type mouthwash apparatus according to the present embodiment when the main body of the apparatus is pulled out from the tank; Fig. 2 is a perspective view when the device main body of the tank extendable mouthwash device according to the present embodiment is accommodated in the tank. Fig. 2 is a cross-sectional view of the retractable tank type mouthwash apparatus according to the present embodiment when the main body of the apparatus is pulled out from the tank. 5 is an enlarged view of a main portion of FIG. 4; FIG. Fig. 2 is a cross-sectional view when the device main body of the tank extendable mouthwash device according to the present embodiment is accommodated in the tank. FIG. 7 is an enlarged view of a main portion of FIG. 6; FIG. 4 is a side view of the tank telescopic mouthwash apparatus according to the present embodiment when the locking portion is engaged; FIG. 4 is a side view of the tank telescopic mouthwash apparatus according to the present embodiment when the locking portion is disengaged. Fig. 2 is a side view of the retractable tank type oral cavity cleaning apparatus according to the present embodiment when the main body is pulled out from the tank. Fig. 2 is a perspective view of the main body of the tank extendable mouthwash device according to the present embodiment; Fig. 2 is a perspective view of the main body of the tank extendable mouthwash device according to the present embodiment. Fig. 2 is a perspective view of the tank of the tank extendable mouthwash device according to the present embodiment; Fig. 2 is a side view of the tank of the tank extendable mouthwash device according to the present embodiment; FIG. 15 is a cross-sectional view taken along line XV-XV of FIG. 14; 15 is a cross-sectional view taken along line XVI-XVI of FIG. 14; FIG. Fig. 2 is a side view of the tank when the liquid supply lid of the tank telescopic mouthwash apparatus according to the present embodiment is opened. FIG. 18 is a cross-sectional view taken along line XVIII-XVIII of FIG. 17; Fig. 2 is a perspective view of the bottom wall of the tank extendable mouthwash device according to the present embodiment; Fig. 3 is a cross-sectional view of the bottom wall of the tank extendable mouthwash device according to the present embodiment; Fig. 3 is a cross-sectional view of the bottom wall of the tank extendable mouthwash device according to the present embodiment; Fig. 2 is a perspective view of the liquid supply lid of the tank extendable mouthwash device according to the present embodiment; Fig. 2 is a plan view of the liquid supply lid of the tank extendable mouthwash device according to the present embodiment;

Hereinafter, embodiments will be described in detail with reference to the drawings. However, more detailed description than necessary may be omitted. For example, detailed descriptions of well-known matters or redundant descriptions of substantially the same configurations may be omitted.

It should be noted that the accompanying drawings and the following description are provided to allow those skilled in the art to fully understand the present disclosure and are not intended to limit the claimed subject matter thereby.

As shown in FIG. 1, the tank extendable mouthwash device 1 according to the present embodiment includes a tank 3, a device main body 5, and a nozzle 7. As shown in FIG.

The tank 3 is formed in a cylindrical shape with a bottom. The inside of the tank 3 is, for example, a storage portion 9 that stores a liquid such as water (hereinafter referred to as water). The device main body 5 is slidably supported in the storage section 9 in the length direction (hereafter referred to as the height direction). The reservoir 9 accommodates the device main body 5 when the tank extendable mouthwash device 1 is not used. When using the tank telescopic mouthwash device 1 , the device main body 5 is pulled out from the reservoir 9 . In this case, water is supplied to the reservoir 9 of the tank 3 .

The apparatus main body 5 is formed in a cylindrical shape with both ends in the height direction closed. The device main body 5 is provided with a tube 11 that is arranged inside the reservoir 9 of the tank 3 . A filter (not shown) is provided at the tip of the tube 11 to remove foreign matter mixed in the water stored in the storage part 9 . An end portion of the tube 11 on the device main body 5 side communicates with a suction passage 13 provided inside the device main body 5 . The suction passage 13 communicates with a pump 15 built in the apparatus body 5 , and supplies the pump 15 with water in the tank 3 sucked up by the tube 11 when the pump 15 is driven.

The pump 15 has a motor 17 , a cam 19 , a piston 21 and a pump chamber 23 . The motor 17 is driven by power supply from a rechargeable battery (not shown) housed inside the apparatus main body 5 . The cam 19 converts the rotation of the motor 17 into an axial operating force. The piston 21 is reciprocated along the height direction of the apparatus main body 5 by the axial operating force converted by the cam 19 . The end portion of the piston 21 is arranged in the pump chamber 23 , and the volume changes according to the reciprocating motion of the piston 21 . The pump chamber 23 communicates with the suction path 13 and the discharge path 25 provided inside the apparatus main body 5 . A suction valve (not shown) is provided between the pump chamber 23 and the suction path 13 , and a discharge valve (not shown) is provided between the pump chamber 23 and the discharge path 25 .

The pump 15 causes the water in the tank 3 to flow into the pump chamber 23 through the tube 11 and the suction passage 13 when the piston 21 is driven by the motor 17 to move in the direction of increasing the volume of the pump chamber 23 . The water that has flowed into the pump chamber 23 is discharged to the nozzle 7 through the discharge passage 25 when the piston 21 is driven by the motor 17 to move in the direction of decreasing the volume of the pump chamber 23 .

The nozzle 7 is formed in a hollow elongated shape and is detachable from the apparatus main body 5 . The inside of the nozzle 7 communicates with the discharge passage 25 while being attached to the device main body 5 . The nozzle 7 jets water flowing out from the discharge passage 25 from its tip.

When the retractable tank mouthwash device 1 is not used, the nozzle 7 is removed from the device main body 5 and the device main body 5 is pushed into the tank 3 and stored in the tank 3 . When the retractable tank mouthwash device 1 is used, the device body 5 is pulled out from the tank 3 and the nozzle 7 is attached to the device body 5 . Details of the tank extendable mouthwash device 1 will be described below with reference to FIGS. 1 to 23. FIG.

As shown in FIGS. 1 to 12, the device main body 5 is formed in a cylindrical shape with both ends in the height direction closed. The device main body 5 has a perfect circular cross section so that it can rotate relative to the tank 3 . A nozzle mounting portion 27 in which the nozzle 7 is detachably arranged is provided on the upper surface of the device main body 5 . An end portion of the nozzle 7 is inserted into the nozzle mounting portion 27, and an engaging portion (not shown) provided inside engages an engaged portion (not shown) at the end portion of the nozzle 7, thereby to hold the attached state. The nozzle 7 attached to the nozzle attachment portion 27 releases the engagement between the engaging portion and the engaged portion by pressing a button 29 provided above the side surface of the apparatus main body 5 , and is released from the apparatus main body 5 . can be removed.

A power switch 31 for starting or stopping the tank extendable oral cavity cleaning device 1 is provided on the side surface of the device main body 5 . A level selection switch 33 for switching the output of the motor 17 of the pump 15 and for switching the water discharge intensity from the nozzle 7 is provided below the power switch 31 on the side surface of the device main body 5 . A display lamp 35 for displaying the ON/OFF state of the power switch 31 and the selected level of the level selection switch 33 is provided below the level selection switch 33 on the side surface of the apparatus body 5 . A lid 37 is provided above the display lamp 35 on the side surface of the device main body 5 at a different position in the circumferential direction to protect the charging connector of the rechargeable battery built into the device main body 5 .

A tube 11 communicating with a suction passage 13 is integrally attached to the lower surface of the apparatus main body 5 . The tube 11 is long enough to reach the bottom of the tank 3 when the device main body 5 is pulled out from the tank 3 . The tube 11 is stored in the tank 3 in a state in which the device main body 5 is stored in the tank 3 and is wound a plurality of times. A coil spring 39 is arranged around the tube 11 to maintain the posture of the tube 11 extending in the longitudinal direction. By arranging the coil spring 39, the tube 11 can be wound without being bent when the device main body 5 is accommodated in the tank 3, and the tube 11 can be neatly accommodated in the tank 3.例文帳に追加In addition, by arranging the coil spring 39, the tube 11 can be neatly extended from the wound state when the device main body 5 is pulled out from the tank 3. - 特許庁

A nozzle accommodating portion 41 is provided on the side surface of the device main body 5 . The nozzle accommodating portion 41 is formed in a groove shape capable of accommodating the nozzle 7 and extends along the height direction of the apparatus main body 5 . The nozzle 7 detached from the apparatus main body 5 is accommodated in the nozzle accommodating portion 41 . By providing the device main body 5 with the nozzle housing portion 41 , the nozzle 7 removed from the device main body 5 can be handled together with the device main body 5 . Therefore, it is not necessary to manage the nozzles 7 removed from the apparatus main body 5 separately from the apparatus main body 5, and the nozzles 7 can be easily managed.

Below the side surface of the apparatus main body 5, a drawer projection 43 is provided to protrude from the side surface of the apparatus main body 5. As shown in FIG. The drawer projection 43 extends along the circumferential direction of the apparatus main body 5 . A plurality of (here, two) drawer projections 43 are provided in the circumferential direction on the side surface of the apparatus main body 5 . The pull-out protrusion 43 constitutes a holding portion 45 that holds the device main body 5 in the tank 3 when the device main body 5 is pulled out from the tank 3 .

A storage protrusion 47 projecting from the side surface of the apparatus main body 5 is provided below the drawer protrusion 43 on the side surface of the apparatus main body 5 . The housing projection 47 extends along the circumferential direction of the device main body 5 . A plurality of housing protrusions 47 (here, two) are provided in the circumferential direction on the side surface of the device main body 5 . The accommodation projection 47 constitutes a locking portion 49 that holds the apparatus main body 5 in the tank 3 when the apparatus main body 5 is accommodated in the tank 3 .

A mark projection 51 projecting from the side surface of the apparatus main body 5 is provided above the side surface of the apparatus main body 5 . The mark projection 51 constitutes a mark portion 53 that serves as a guide for positioning the lock portion 49 when the device main body 5 is housed in the tank 3 .

A packing 55 as a sealing member is attached to the lower portion of the device main body 5 so as to be in close contact with a groove continuously formed in the outer peripheral surface of the device main body 5 in the circumferential direction. The outer peripheral surface of the packing 55 is brought into close contact with the inner peripheral surface of the tank 3 in a state where the apparatus main body 5 is attached to the tank 3 , thereby sealing between the apparatus main body 5 and the tank 3 . The packing 55 is detachably attached to the groove of the apparatus main body 5, and by removing the packing 55 from the apparatus main body 5, only the packing 55 can be cleaned.

Such an apparatus main body 5 is slidably supported by the tank 3 . The device main body 5 is pulled out from the tank 3 when using the tank telescopic mouthwash device 1 . On the other hand, the device main body 5 is accommodated in the tank 3 when the tank extendable oral cavity cleaning device 1 is not used.

As shown in FIGS. 1 to 10 and 13 to 21, the tank 3 is made of, for example, polypropylene resin so that it can be washed in a dishwasher, and is made transparent or semi-transparent to improve design. there is The tank 3 is formed in a bottomed tubular shape with one end side in the height direction being open and the other end side being closed. The tank 3 has a perfect circle in cross section so that the device main body 5 can rotate relative to it. The inside of the tank 3 is a storage part 9 that stores water. The device main body 5 is supported in the storage section 9 so as to be slidable in the height direction. The storing portion 9 can accommodate a portion of the device main body 5 excluding the upper surface side. The tank 3 has a tubular body 57 and a bottom wall 59 .

The cylindrical body 57 constitutes the peripheral wall of the tank 3 and constitutes most of the reservoir 9 . A mounting protrusion 61 projecting from the inner peripheral surface of the tubular body 57 is provided below the inner peripheral surface of the tubular body 57 . The mounting projection 61 extends along the circumferential direction of the tubular body 57 . An engaging recess 63 is provided on the outer surface of the mounting projection 61 . A plurality (here, two) of the mounting protrusions 61 are provided in the circumferential direction of the inner peripheral surface of the tubular body 57 . The plurality of mounting protrusions 61 , 61 have different lengths extending in the circumferential direction of the cylindrical body 57 . The mounting protrusion 61 constitutes a mounting portion 65 that allows the bottom wall 59 to be detachable from the cylindrical body 57 .

The bottom wall 59 constitutes the bottom wall of the tank 3 that closes the opening on the lower side of the cylindrical body 57 , and constitutes the reservoir 9 when attached to the cylindrical body 57 . As shown in FIGS. 19 to 22, on the outer peripheral side of the bottom wall 59, a peripheral wall 67 is provided that protrudes from the bottom toward the cylindrical body 57 and continues in the circumferential direction. The height of the peripheral wall 67 is set so that the user's fingers can reach the bottom surface when the bottom wall 59 is removed from the tubular body 57 . Since the tank 3 is transparent, when the bottom wall 59 is attached to the cylindrical body 57, the peripheral wall 67 should be made as low as possible so that the boundary line between the cylindrical body 57 and the bottom wall 59 is inconspicuous. is preferred.

As shown in FIGS. 15 and 19, a mounting recess 69 is provided on the outer surface of the peripheral wall 67 of the bottom wall 59 . The mounting recess 69 is open at the top, and one side of the peripheral wall 67 in the circumferential direction serves as a bottom into which the mounting projection 61 is inserted. An engaging projection 71 that can be engaged with the engaging recess 63 of the mounting projection 61 protrudes from the bottom side of the mounting recess 69 . Between the opening and the bottom of the mounting recess 69, there is provided an inclined surface 73 that slopes upward from the bottom toward the opening. A plurality of (here, two) mounting recesses 69 are provided in the circumferential direction of the outer peripheral surface of the peripheral wall 67 . The openings of the plurality of mounting recesses 69 , 69 have different opening lengths in the circumferential direction of the peripheral wall 67 . The opening lengths of the openings of the plurality of mounting recesses 69, 69 respectively correspond to the extension lengths of the plurality of mounting projections 61, 61 in the circumferential direction so that the plurality of mounting projections 61, 61 can be inserted. . The mounting recess 69 constitutes the mounting protrusion 61 of the cylindrical body 57 and the mounting portion 65 that allows the bottom wall 59 to be attached to and detached from the cylindrical body 57 .

When attaching the bottom wall 59 to the cylindrical body 57 , first, the corresponding attachment protrusions 61 , 61 are arranged in the attachment portion 65 with respect to the openings of the attachment recesses 69 , 69 . Next, the cylindrical body 57 and the bottom wall 59 are relatively moved in the height direction so as to insert the mounting projections 61 and 61 into the openings of the mounting recesses 69 and 69 . Then, with the mounting projections 61, 61 inserted into the mounting recesses 69, 69, the cylindrical body 57 and the bottom wall 59 are rotated relative to each other, and the mounting projections 61, 61 are inserted into the bottoms of the mounting recesses 69, 69. insert. At this time, the engaging recess 63 of the mounting projection 61 and the engaging projection 71 of the mounting recess 69 engage with each other, and the mounting state of the bottom wall 59 with respect to the cylindrical body 57 is maintained.

When removing the bottom wall 59 from the tubular body 57, first, the tubular body 57 and the bottom wall 59 are rotated relative to each other, and the mounting projections 61, 61 at the mounting portion 65 are aligned with the bottom portions of the mounting recesses 69, 69. pull out from At this time, the engagement between the engaging recess 63 of the mounting projection 61 and the engaging projection 71 of the mounting recess 69 is released. Next, the cylindrical body 57 and the bottom wall 59 continue to rotate relative to each other so that the mounting projections 61, 61 and the inclined surfaces 73, 73 of the mounting recesses 69, 69 are brought into contact with each other. It continues to rotate relative to the bottom wall 59 . At this time, the mounting protrusions 61, 61 slide on the inclined surfaces 73, 73, and relatively move the cylindrical body 57 and the bottom wall 59 away from each other in the height direction. The mounting protrusions 61, 61 that have finished sliding on the inclined surfaces 73, 73 are arranged in the openings of the mounting recesses 69, 69. As shown in FIG. Then, the bottom wall 59 can be removed from the tubular body 57 by relatively moving the tubular body 57 and the bottom wall 59 in the direction of separation in the height direction.

Such a mounting portion 65 has a screw structure in which the mounting protrusion 61 and the mounting recess 69 are engaged with each other. Therefore, the bottom wall 59 can be attached to and detached from the tubular body 57 by rotating the bottom wall 59 around the axis of the tubular body 57 . In such a mounting portion 65, the plurality of mounting projections 61, 61 have different extending lengths in the circumferential direction. Therefore, the mounting position of the bottom wall 59 with respect to the cylindrical body 57 can be positioned at one position in the circumferential direction. By providing the mounting portion 65 at one place in the circumferential direction, the mounting position of the bottom wall 59 can be determined. It is preferable that a plurality of mounting portions 65 be provided in the circumferential direction.

Here, the conventional tank is formed of one member in which the cylindrical body 57 and the bottom wall 59 are continuous. For this reason, in the conventional tank, the bottom wall 59 cannot be removed from the cylindrical body 57. When cleaning the inner surface of the tank, fingers cannot reach the bottom surface through the opening of the tank, and a long cleaning brush or the like cannot be used. had to use.

On the other hand, the tank 3 is composed of a cylindrical body 57 and a bottom wall 59 detachably attached to the cylindrical body 57 so that at least a part of the bottom wall can be opened. In such a tank 3 , the bottom wall 59 is removed from the tubular body 57 when cleaning the inside of the tank 3 . The bottom wall 59 removed from the cylindrical body 57 allows fingers to reach the inner bottom surface, eliminating the need to use a long cleaning brush or the like. Therefore, the bottom surface inside the tank 3 can be easily cleaned. In addition, since the peripheral wall 67 of the bottom wall 59 is set at a height where a finger can reach the bottom surface, the inside of the tank 3 can be easily cleaned.

As shown in FIGS. 16 and 19 to 22, a packing 75 is arranged between the tubular body 57 and the bottom wall 59 as a sealing member. The packing 75 is mounted in close contact with a groove 77 formed continuously in the circumferential direction on the outer peripheral surface of the peripheral wall 67 of the bottom wall 59 . The packing 75 is detachable with respect to the groove 77 . A lip is formed on the outer peripheral surface of the packing 75 so as to be in close contact with the inner peripheral surface of the tubular body 57 and continuously in the circumferential direction. The packing 75 seals between the tubular body 57 and the bottom wall 59 by being in close contact with the tubular body 57 and the bottom wall 59 . Note that the groove 77 may be provided on the inner peripheral surface of the tubular body 57 .

Here, in the conventional tank, the sealing member such as the packing 75 is integrally formed with the tank so that the sealing member cannot be removed without partially destroying the tank. In addition, when the sealing member is arranged on the bottom wall side of the tank, it is difficult to wash the sealing member, and stains such as scale and mold tend to adhere to the sealing member.

On the other hand, the packing 75 is detachably attached to the groove 77 of the bottom wall 59 which is detachably attached to the cylindrical body 57 . Therefore, when removing the packing 75 from the tank 3 for cleaning or the like, the packing 75 can be easily removed from the groove 77 of the bottom wall 59 by removing the bottom wall 59 from the cylindrical body 57 . In addition, since the packing 75 can be easily removed from the tank 3, the packing 75 can be easily washed and kept clean.

As shown in FIGS. 15 and 19, a notch 79 formed by cutting away from the outer peripheral surface of the packing 75 is provided in the upper wall portion forming the groove 77 in which the packing 75 is mounted. there is The notch 79 allows the user's finger to come into contact with the outer peripheral surface of the packing 75 by inserting the finger. Therefore, the packing 75 attached to the groove 77 can be easily removed from the groove 77 . A plurality of cutouts 79 may be provided in the circumferential direction of the groove 77 .

Here, as a configuration in which at least a part of the bottom wall of the tank 3 is openable, for example, the tank 3 is composed of a cylindrical body 57 and a bottom wall 59, and the cylindrical body 57 and the bottom wall 59 A detachable screw-type mounting portion 65 may be provided between . In this configuration, the bottom wall 59 can be attached to the tubular body 57 or the bottom wall 59 can be removed from the tubular body 57 by rotating the tubular body 57 and the bottom wall 59 relative to each other. In this configuration, since the cylindrical body 57 and the bottom wall 59 are rotated relative to each other, it is necessary to form at least the screw-type mounting portion 65 with a cylinder. Alternatively, the tank 3 may be composed of the cylindrical body 57 and the bottom wall 59, and the bottom wall 59 may be configured to be openable and closable with respect to the cylindrical body 57 via a mounting portion 65 such as a hinge. good. Further, the tank 3 is composed of a cylindrical body 57 and a bottom wall 59, and the bottom wall 59 is slid in the height direction or the left-right direction through a fitting portion 65 or the like to be fitted. It may be configured to be detachable with respect to the cylindrical body 57.

As another configuration, for example, the tank 3 is configured by a continuous member including the cylindrical body 57 and the bottom wall 59 , and an opening communicating with the inner bottom surface of the bottom wall 59 to the bottom wall 59 . and a lid for closing the opening. In this configuration, the opening in the bottom wall 59 is preferably open so that a finger can be inserted to clean the entire bottom surface inside the bottom wall 59 . For example, the lid that closes the opening is provided on the bottom wall 59 via a hinge so that it can be opened and closed, provided with an engaging portion that can be engaged with the bottom wall 59 at least at one location, or can be fitted to the bottom wall 59 as a whole. It is preferable that the state in which the opening is closed can be maintained, such as .

Here, in the conventional tank, the cylindrical body 57 and the bottom wall 59 are formed by one continuous member, and at least a part of the bottom wall 59 is not opened. So, the remaining water in the tank could not be discarded. Therefore, in the conventional tank, when the water remaining in the tank is discarded, it is necessary to remove the device body 5 from the tank. In addition, when the device body 5 is removed from the tank, water remaining in the tank may splash around.

On the other hand, the tank 3 is formed so that at least a part of the bottom wall can be opened. Therefore, when the water remaining in the tank 3 is to be discarded, the water can be discarded through the opening, and there is no need to remove the device main body 5 from the tank 3 . In addition, since the water remaining in the tank 3 can be discarded without removing the device body 5 from the tank 3, it is possible to suppress the water remaining in the tank 3 from splashing around. Therefore, it is possible to reduce the burden of cleaning the surrounding area after using the expandable tank type oral cavity cleaning apparatus 1 .

An apparatus body 5 is supported by the tank 3 so as to be slidable in the height direction. When using the tank telescopic mouthwash device 1, the device main body 5 is pulled out from the tank 3. As shown in FIG. The apparatus main body 5 is held in the drawn state in which it is drawn out from the tank 3 by the holding portion 45 . On the other hand, when the use of the tank telescopic mouthwash device 1 is finished, the device main body 5 is housed in the tank 3 . The apparatus main body 5 is held in the stored state of being stored in the tank 3 by the locking portion 49 .

As shown in FIGS. 4, 5, and 16, the holding portion 45 includes a drawer projection 43 of the device main body 5 and a drawer recess 81 provided in the tank 3 engageable with the drawer projection 43. As shown in FIGS. The drawer recess 81 is provided above the inner peripheral surface of the cylindrical body 57 of the tank 3 so as to be engageable with the drawer projection 43 of the device main body 5 . The drawer recess 81 is formed continuously in the circumferential direction of the tubular body 57 so as to be engageable with the plurality of drawer projections 43 , 43 .

When the device body 5 is pulled out from the tank 3 , the holding portion 45 engages the drawer projection 43 with the drawer recess 81 to hold the device body 5 at the drawn position with respect to the tank 3 . By pulling out the device body 5 from the drawn position of the tank 3 , the engagement of the holding portion 45 is released and the device body 5 can be removed from the tank 3 . In such a holding portion 45 , the drawer projection 43 is provided at a position overlapping the tank 3 in a front view with the apparatus main body 5 attached to the tank 3 . Therefore, when the apparatus main body 5 is attached to the tank 3, the drawer projection 43 is not exposed from the tank 3 in a front view, so that unnecessary unevenness can be hidden and the design can be improved.

As shown in FIGS. 6, 7, 20, and 21, the locking portion 49 includes the housing protrusion 47 of the device main body 5 and a housing recess 83 provided in the tank 3 engageable with the housing protrusion 47. ing. The accommodation recess 83 is provided on the inner peripheral surface of the peripheral wall 67 of the bottom wall 59 of the tank 3 so as to be able to engage with the accommodation protrusion 47 of the apparatus main body 5 . The accommodation recess 83 extends along the circumferential direction of the peripheral wall 67 . The circumferential extension length of the accommodation recess 83 is set longer than the circumferential extension length of the accommodation protrusion 47 . A plurality of accommodation recesses 83 (here, two) are provided in the circumferential direction of the inner peripheral surface of the peripheral wall 67 so as to be engageable with the plurality of accommodation protrusions 47 , 47 . Slanted surfaces 85, 85 that slope upward from below are provided on both sides of the housing recess 83 in the circumferential direction.

When the device main body 5 is stored in the tank 3 , the locking portion 49 engages the storage projection 47 with the storage recess 83 to hold the device main body 5 in the storage position with respect to the tank 3 . At this time, although not shown, the tube 11 is stored between the apparatus main body 5 and the tank 3 in a state in which it is wound a plurality of times. A packing 55 is arranged above the housing protrusion 47 . By arranging the packing 55 above the accommodation projection 47, the packing 55 does not interfere with the accommodation recess 83 when the apparatus main body 5 is accommodated in the tank 3 or when the apparatus main body 5 is pulled out from the tank 3. Wear of the packing 55 can be reduced.

Here, conventionally, when the device main body 5 held by the lock portion 49 is pulled out from the tank 3 , the engagement of the lock portion 49 is released by gripping the device main body 5 and pulling it out from the tank 3 . However, for example, when water or the like adheres to the apparatus main body 5 , the apparatus main body 5 may slip and the apparatus main body 5 cannot be pulled out from the tank 3 . In such a case, it was difficult to release the engagement of the lock portion 49 .

Therefore, the accommodation recess 83 of the locking portion 49 is provided with inclined surfaces 85 , 85 on both sides in the circumferential direction of the peripheral wall 67 , that is, on both sides in the relative rotation direction of the apparatus main body 5 and the tank 3 . Therefore, by rotating the apparatus main body 5 and the tank 3 relative to each other, the accommodation projection 47 and the inclined surface 85 come into contact with each other, and the accommodation projection 47 moves along the inclined surface 85 while sliding. When the accommodation protrusion 47 moves along the inclined surface 85 , the apparatus main body 5 is moved upwards out of the tank 3 . When the device main body 5 moves upward, the locking portion 49 disengages the housing protrusion 47 from the housing recess 83 . In a state in which the locking portion 49 is disengaged, the device main body 5 can be easily pulled out of the tank 3 .

With such a lock portion 49, even when the apparatus main body 5 slips, the engagement of the lock portion 49 can be easily released by relatively rotating the apparatus main body 5 and the tank 3. can. Therefore, the device main body 5 can be easily pulled out from the tank 3 . Further, in a state in which the locking portion 49 is disengaged, the accommodation projection 47 moves along the inclined surface 85 , thereby moving the device main body 5 in the direction to be pulled out from the tank 3 . Therefore, the area for gripping the device main body 5 is increased, and the device main body 5 can be pulled out from the tank 3 more easily.

In addition, as a locking portion that can release the engagement by relatively rotating the device main body 5 and the tank 3 , for example, the inclined surfaces 85 , 85 may not be provided on both circumferential sides of the housing recess 83 . In this case, by rotating the device main body 5 and the tank 3 relatively, the engagement projection 71 is positioned outside the range of the housing recess 83, thereby releasing the engagement of the lock portion. Even with such a locking portion, the apparatus main body 5 can be easily pulled out from the tank 3 .

The housing protrusion 47 that constitutes the locking portion 49 is provided on the side surface of the apparatus main body 5 at a position overlapping the tank 3 in a front view when the apparatus main body 5 is pulled out from the tank 3 . Therefore, as shown in FIG. 2, when the device main body 5 is pulled out from the tank 3, the accommodation protrusion 47 is not exposed from the tank 3 in a front view, and unnecessary unevenness can be hidden, thereby improving the design. can be improved.

Such a locking portion 49 is provided inside the tank 3, and even if the tank 3 is formed transparent, it is difficult to see the engagement and disengagement. Therefore, a mark portion 53 that serves as a guide for the engagement state of the lock portion 49 is provided in a portion visible from the outside of the tank 3 .

As shown in FIGS. 8 and 9 , the mark portion 53 includes a mark projection 51 of the device main body 5 and a mark recess 87 provided in the tank 3 engageable with the mark projection 51 . The mark recess 87 is provided on the upper opening edge of the cylindrical body 57 of the tank 3 so as to be engageable with the mark projection 51 . The mark recess 87 has a bottom portion that engages with the mark projection 51, and is provided with inclined surfaces 89, 89 that are upwardly inclined on both sides in the circumferential direction from the bottom portion.

With such a mark portion 53 , when the mark projection 51 of the device main body 5 engages the bottom portion of the mark recess 87 of the tank 3 , the accommodation projection 47 and the accommodation recess 83 are engaged with each other at the lock portion 49 . indicates Therefore, the user can recognize that the lock portion 49 is engaged by visually recognizing the engagement between the mark projection 51 and the mark recess 87 .

The mark portion 53 moves while the mark projection 51 slides along the inclined surface 89 when the apparatus main body 5 and the tank 3 are rotated relative to each other. When the mark projection 51 moves along the inclined surface 89 , the apparatus main body 5 is moved upwards out of the tank 3 . Therefore, it is possible to assist disengagement of the lock portion 49 . When the mark projection 51 finishes moving on the inclined surface 89 , the mark projection 51 is arranged at the opening edge of the cylindrical body 57 , and the engagement between the housing projection 47 and the housing recess 83 is released in the lock portion 49 . indicates Therefore, the user can recognize that the engagement of the lock portion 49 is released by visually recognizing the disengagement of the mark projection 51 and the mark recess 87 .

Here, as shown in FIGS. 8 and 10, above the side surface of the cylindrical body 57 of the tank 3, a drying hole 91 penetrating the peripheral wall of the cylindrical body 57 is provided. The drying hole 91 is arranged to face the nozzle accommodating portion 41 of the apparatus main body 5 when the apparatus main body 5 is accommodated in the tank 3 . By providing the drying holes 91 in the tank 3 in this manner, the nozzles 7 housed in the nozzle housing portion 41 can be dried. Further, the drying hole 91 is arranged to face the bottom wall side of the nozzle accommodating portion 41 of the apparatus main body 5 when the apparatus main body 5 is pulled out from the tank 3 . By arranging the drying holes 91 in this manner, the water accumulated in the nozzle accommodating portion 41 can be discharged from the drying holes 91 .

In the telescopic tank type oral cavity cleaning device 1, the tank 3 is composed of the cylindrical body 57 and the removable bottom wall 59, so the bottom wall 59 is removed and water is supplied to the reservoir 9 in the tank 3. It is possible. However, for example, when pouring water into a washbasin, there is no problem if the water supply port is of a type that can be extended, such as a shower type. It can be difficult to supply water by Therefore, it is preferable that water can be supplied to the reservoir 9 in the tank 3 even when the tank 3 is laid down.

Therefore, as shown in FIGS. 8, 16 to 18, 22 and 23, a liquid supply hole 93 for injecting water into the reservoir 9 is formed in the side surface of the tank 3. As shown in FIG. The liquid supply hole 93 is formed in a tubular shape protruding from the side surface of the tank 3 . The liquid supply hole 93 is positioned below the packing 55 when the main body 5 of the apparatus is pulled out of the tank 3 . Further, the liquid supply hole 93 is arranged so as to be positioned above the packing 55 when the apparatus body 5 is accommodated in the tank 3 . By arranging the liquid supply holes 93 in this manner, the liquid supply holes 93 do not interfere with the packing 55, and the sealing performance of the packing 55 can be maintained. The liquid supply hole 93 is closed by a liquid supply lid 95 .

The liquid supply lid 95 is provided with a closing portion 97 having an outer diameter larger than the outer diameter of the liquid supply hole 93 . The outline of the closing portion 97 is formed to be a track ellipse with curved surfaces on both sides in the vertical direction and straight sides in the horizontal direction. The outer surface of the closing portion 97 is curved along the side shape of the tank 3 . By forming the closing portion 97 in this way, it is possible to enhance the design. A peripheral wall 99 that protrudes toward the liquid supply hole 93 and can be inserted into the inner periphery of the liquid supply hole 93 is continuously formed on the inner surface of the closing portion 97 in the circumferential direction. The liquid supply lid 95 is attached to the tank 3 via a hinge 101 so as to be vertically openable and closable. For example, the liquid supply lid 95 may be provided so as to be openable and closable in the horizontal direction with respect to the tank 3 via a hinge 101, and the opening and closing direction of the liquid supply lid 95 may be any direction.

The hinge 101 is composed of a shaft 103 provided on the tank 3 and a hook 105 provided on the liquid supply lid 95 rotatably engaged with the shaft 103 . By configuring the hinge 101 with the shaft 103 and the hook 105 , the liquid supply lid 95 can be detachably attached to the tank 3 . Therefore, only the liquid supply lid 95 can be cleaned. A hook 105 may be provided on the tank 3 and a shaft 103 may be provided on the liquid supply lid 95 to serve as the hinge 101 . Further, the hinge may be configured so as to be continuous with the tank 3 and the liquid supply lid 95 .

The hinge 101 is provided at a position where the whole is hidden by the closing portion 97 of the liquid supply lid 95 when viewed from the front. By hiding the hinge 101 with the liquid supply lid 95, the hinge 101 can be protected, and breakage of the hinge 101 can be suppressed. In addition, since the hook 105 is not provided at the end of the liquid supply lid 95, the strength of the hook 105 can be increased and the strength of the hinge 101 can be improved. At least part of the hinge 101 may be hidden by the liquid supply lid 95 when viewed from the front. Further, when the hinge 101 has high strength, the hinge 101 does not have to be hidden by the liquid supply lid 95 . The hinge 101 is arranged at a position where the user's fingers do not touch the bottom wall 59 when the user grips the bottom wall 59 to attach or detach the bottom wall 59 to/from the cylindrical body 57 . By arranging the hinges 101 in this way, the bottom wall 59 can be easily attached to and detached from the cylindrical body 57 without interfering with the hinges 101 .

A packing 107 as a sealing member is arranged between the liquid supply hole 93 and the liquid supply lid 95 . The packing 107 is attached in close contact with a groove 109 formed continuously in the circumferential direction on the outer peripheral surface of the peripheral wall 99 of the liquid supply lid 95 . The packing 107 is detachable with respect to the groove 109 . The outer peripheral surface of the packing 107 is in close contact with the inner peripheral surface of the liquid supply hole 93 while the liquid supply hole 93 is closed by the liquid supply cover 95 . The packing 107 seals between the liquid supply hole 93 and the liquid supply cover 95 by being in close contact with the liquid supply hole 93 and the liquid supply cover 95 . Note that the groove 109 may be provided on the inner peripheral surface of the liquid supply hole 93 .

A notch 111 formed by cutting away from the outer peripheral surface of the packing 107 is provided in the upper wall portion forming the groove 109 in which the packing 107 is mounted. A plurality of notches 111 (here, two) are provided in the circumferential direction of the groove 109 . Note that the notch 111 may be provided at one location in the circumferential direction of the groove 109 . The notch 111 allows the user's finger to come into contact with the outer peripheral surface of the packing 107 by inserting the finger. Therefore, the packing 107 attached to the groove 109 can be easily removed from the groove 109 .

Here, conventionally, when the liquid supply lid 95 is opened with respect to the liquid supply hole 93 , the end of the liquid supply lid 95 protrudes from the side surface of the tank 3 in a front view. Therefore, for example, if the tank 3 is dropped with the liquid supply lid 95 open, the protruding end of the liquid supply lid 95 collides with the peripheral member, and the hinge 101 that holds the liquid supply lid 95 is removed. was sometimes damaged.

Therefore, as shown in FIGS. 17 and 18, the end portion of the liquid supply lid 95 is arranged within the range of the side surface of the tank 3 in a front view with the liquid supply lid 95 opened. Specifically, the end of the liquid supply lid 95 opposite to the hinge 101 is arranged at a position that does not protrude from the lower end of the side surface of the tank 3 in a front view with the liquid supply lid 95 open. Therefore, when the liquid supply lid 95 is open, it is possible to prevent the end portion of the liquid supply lid 95 from interfering with peripheral members, thereby suppressing the influence on the hinge 101 . Thus, the end of the liquid supply lid 95 is the end located on the side opposite to the hinge 101 when the liquid supply lid 95 is open. Therefore, the end of the liquid supply lid 95 that most affects the hinge 101 is not exposed from the side surface of the tank 3, and the influence on the hinge 101 can be suppressed.

In such a tank extendable mouthwash device 1 , the tank 3 is formed with a liquid supply hole 93 for injecting liquid into the reservoir 9 . Further, the liquid supply hole 93 is closed by a liquid supply lid 95 provided on the tank 3 via a hinge 101 so as to be able to be opened and closed. The end portion of the liquid supply lid 95 is arranged within the range of the side surface of the tank 3 in a front view with the liquid supply lid 95 opened. Therefore, when the liquid supply lid 95 is open, it is possible to prevent the end portion of the liquid supply lid 95 from interfering with peripheral members, thereby suppressing the influence on the hinge 101 .

Therefore, in such an extendable tank mouthwash device 1, breakage of the hinge 101 holding the liquid supply lid 95 can be suppressed.

Furthermore, at least part of the hinge 101 is hidden by the liquid supply lid 95 in a front view. Therefore, breakage of the hinge 101 can be further suppressed.

Further, the entire hinge 101 is hidden by the liquid supply lid 95 when viewed from the front. Therefore, breakage of the hinge 101 can be further suppressed.

Further, between the liquid supply hole 93 and the liquid supply cover 95, a packing 107 is detachably attached as a sealing member for sealing the gap between the liquid supply hole 93 and the liquid supply cover 95. As shown in FIG. Furthermore, the liquid supply lid 95 is provided with a groove 109 for holding the packing 107 . A notch 111 is formed in the groove 109 so as to be spaced apart from the outer peripheral surface of the packing 107 . Therefore, the packing 107 can be easily removed.

The tank 3 also has a tubular body 57 and a bottom wall 59 detachably attached to the tubular body 57 . Therefore, since the bottom wall 59 can be separated from the cylindrical body 57, the inside of the tank 3 can be easily cleaned. In addition, by removing the bottom wall 59 from the cylindrical body 57 , the liquid remaining in the tank 3 can be discarded without removing the device main body 5 from the tank 3 .

Note that the above-described embodiment is for illustrating the technology in the present disclosure, and various changes, replacements, additions, omissions, etc. can be made within the scope of the claims or equivalents thereof.

INDUSTRIAL APPLICABILITY The present disclosure is applicable to a tank in which a liquid supply lid that closes a liquid supply hole for injecting liquid into a tank is provided so as to be openable and closable via a hinge.

1 Tank Telescopic Mouthwash Device 3 Tank 5 Device Main Body 9 Reservoir 15 Pump 57 Cylindrical Body 59 Bottom Wall 93 Liquid Supply Hole 95 Liquid Supply Lid 101 Hinge 107 Packing (Seal Member)
109 Groove 111 Notch

Claims (5)

a device body with a built-in pump;
a tank having a reservoir, capable of slidably supporting the device main body and being accommodated in the reservoir;
with
a liquid supply hole for injecting liquid into the reservoir is formed in the tank;
The liquid supply hole is closed by a liquid supply lid provided on the tank via a hinge so as to be able to be opened and closed,
An extendable tank oral cavity cleaning device in which an end portion of the liquid supply lid is arranged within a range of a side surface of the tank in a front view with the liquid supply lid opened. 2. The tank retractable mouthwash device according to claim 1, wherein at least part of said hinge is hidden by said liquid supply lid in front view. 3. The tank retractable mouthwash device according to claim 2, wherein the entire hinge is hidden by the liquid supply lid when viewed from the front. A sealing member is detachably attached between the liquid supply hole and the liquid supply lid for sealing a gap between the liquid supply hole and the liquid supply lid,
one of the liquid supply hole and the liquid supply cover is provided with a groove for holding the seal member;
The tank extendable mouthwash device according to any one of claims 1 to 3, wherein the groove is formed with a notch spaced apart from the outer peripheral surface of the seal member. The tank extendable mouthwash device according to any one of claims 1 to 4, wherein the tank has a tubular body and a bottom wall detachably attached to the tubular body.

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